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The ZJ (95 - 5.2) is having problems staying in overdrive at highway speeds. It will kick out of OD when going above 60 and the rpms will skyrocket. I had this happen one time, probably 6 years ago, and seem to recall digging into the tranny and replacing the OD solenoid. For the life of me, I can't remember what part it was that I needed...

IIRC it attaches to the front or in front of the valve body. It is visible once you drop the pan. It comes in a two solenoind pack. I have a box with the part number at home - if I can remember I'll post it this evening.

last question how do you identify what trans i have? i seen in the repair manual where it should be but i cant find any marks on mine. then i found another website saying my year and motor i should have a 42RE. is that right? its a 95 with a 4.0

I have replaced the TCC solenoid and the OD solenoid in my 46RE. Not sure if the same part number applies but it is # 1-52118500. I think it was about $90. I put new solenoids in mine when I had it rebuilt. If you want to buy my old solenoids let me know.

Not sure but I thought that '95 and older ZJ's had RH (hydraulic) trans's and the '96 and up had RE (electronic) transmissions. My guess is that it's a 42RH but I certainly could be wrong. The dealer shoud be able to run your VIN and tell you.

You need to remove the governor body (four 11mm bolt, two t25 bolts, the two sensors come off with it), then you can remove the overdrive/tcc solenoid unit (three t25 bolts and the plug.) If you need step by step pictures just ask, i'll upload them. As suggested, it's a good idea to change the governor sens/sol as well since you're there. If you're changing the wires as well (they come with the new sensor most the time), you'll need to drop the valve body. Are you throwing any codes for it? I have a PDF file to of how to diagnose it and rule anything else out. If you want it, PM me your e-mail address (same goes for anyone else).

if you have all the pictures and have done it witch it sounds like you have you should make a write up on it to help us and poeple in the future. i thought i was gona have to buy a whole new tranny untill i searched this website. you guys are a ton of help

if you have all the pictures and have done it witch it sounds like you have you should make a write up on it to help us and poeple in the future. i thought i was gona have to buy a whole new tranny untill i searched this website. you guys are a ton of help

I have a 94 ZJ limited. Could the solenoid also cause the transmission not to shift from 2nd into drive unless I am like almost 100 percent off throttle when I am driving at around 40 mph. I dont notice it when I am at higher speeds. Maybe I just need to adjust the tps or the kick down cable?

but wouldn't it think that the pedal is pushed down even further if I tighten up the kick down cable? I am thinking more tps or solenoid. maybe the kickdown cable is hanging up in the cable housing and not allowing the arm on the transmission to return smoothly? I'll try and adjust it first though and see if it gets better or worse.

i myself have a 93 grand and i have allot of the similar problems my ol girl shifts so smooth from 1st to 2nd you hardly notice it but will not shift any further unless i romp on it and then it shifts into overdrive and on the decell will then shift into running gear SOMETIMES but tne sometimes i will have to do this numerous times to get it to shift into its running gear i have since just parked it and have researched and researched and iam just going to buy a junk yard one and replace it but been doing a good but off reading and now iam thinking about just replacing the solenoids
and such and see if that works any thoughts or ideas on what it may be ???? i have been told all kinds of stuff also my od switch on the dash stopped working when this happened and my cruise control would not hold a constant speed .....

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